<template>
<el-container class="home-container">
  <!--头部区-->
  <el-header>
    <div>
      <img src="../assets/logo.png" alt />
      <span>广告位招租</span>
    </div>
    <el-button type="info" @click="loguot">退出</el-button>
  </el-header>

  <!--页面主体区域-->
  <el-container>
    <!--侧边栏-->
    <el-aside :width="isCollapse?'64px':'200px'">
      <!--菜单 折叠按钮-->
      <div class="toggle-button" @click="toggleCollapse">|||</div>
      <!--侧边栏菜单区域-->
      <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened :collapse='isCollapse' :collapse-transition='false' router :default-active='activePath'>
        <!--一级菜单-->
        <el-submenu :index="item.id+ '' " v-for="item in meunlist" :key="item.id">
          <!--一级菜单的模版区域-->
          <template slot="title">
            <i :class="iconsObj[item.id]"></i>
            <span>{{item.authName}}</span>
          </template>

          <!--二级菜单-->
          <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">
            <template slot="title">
              <i class="el-icon-menu"></i>
              <span>{{subItem.authName}}</span>
            </template>
          </el-menu-item>
        </el-submenu>
      </el-menu>
    </el-aside>
    <!--右侧内容主体-->
    <el-main>
      <!--路由占位符-->
      <router-view></router-view>
    </el-main>
  </el-container>
</el-container>
</template>

<script>
export default {
  data() {
    return {
      meunlist: [],
      iconsObj: {
        '125': 'el-icon-user',
        '103': 'el-icon-share',
        '101': 'el-icon-shopping-cart-2',
        '102': 'el-icon-link',
        '145': 'el-icon-s-data'
      },
      // 是否折叠
      isCollapse: false,

      // 被激活的链接地址
      activePath: ''
    };

  },
  created() {
    this.getMenuList();
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    // 退出按钮
    loguot() {
      window.sessionStorage.removeItem("token");
      this.$router.replace("/login");
    },

    // 获取所有菜单数据
    async getMenuList() {
      const {
        data: res
      } = await this.$http.get("menus");
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.meunlist = res.data;
      // console.log(this.meunlist);
    },

    // 保存连接的激活状态
    saveNavState(activePath) {
      window.sessionStorage.setItem('activePath', activePath)
      this.activePath = activePath
    },

    // 菜单折叠按钮
    toggleCollapse() {
      this.isCollapse = !this.isCollapse
    }

  },
};
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}

.el-header {
  background: #373d41;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-size: 20px;
  padding-left: 0;

  >div {
    display: flex;
    align-items: center;

    >img {
      width: 80px;
    }
  }
}

.el-aside {
  background: #333744;

  .el-menu {
    border-right: none;
  }
}

.el-main {
  background: #eaedf1;
}

.toggle-button {
  background: #4A5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.4em;
  cursor: pointer;
}
</style>
